1.做一个简单的电路.
真值表
| input | output |
| 1 | 0 |
| 0 | 1 |
2.分别建立A(B+C)和AB+AC
真值表
| A | B | C | A(B+C) | AB+AC |
| 0 | 0 | 0 | 0 | 0 |
| 0 | 0 | 1 | 0 | 0 |
| 0 | 1 | 0 | 0 | 0 |
| 1 | 0 | 0 | 0 | 0 |
| 1 | 0 | 1 | 1 | 1 |
| 1 | 1 | 0 | 1 | 1 |
| 1 | 1 | 1 | 1 | 1 |
| ~Set | ~Reset | Q(x) | Q(y) |
| 1 | 1 | 0 | 1 |
| 0 | 1 | 1 | 0 |
| 1 | 1 | 1 | 0 |
| 1 | 0 | 0 | 1 |
| 1 | 1 | 0 | 1 |
(1)一位全加
(2)二位全加
1.做一个简单的电路.
真值表
| input | output |
| 1 | 0 |
| 0 | 1 |
2.分别建立A(B+C)和AB+AC
真值表
| A | B | C | A(B+C) | AB+AC |
| 0 | 0 | 0 | 0 | 0 |
| 0 | 0 | 1 | 0 | 0 |
| 0 | 1 | 0 | 0 | 0 |
| 1 | 0 | 0 | 0 | 0 |
| 1 | 0 | 1 | 1 | 1 |
| 1 | 1 | 0 | 1 | 1 |
| 1 | 1 | 1 | 1 | 1 |
| ~Set | ~Reset | Q(x) | Q(y) |
| 1 | 1 | 0 | 1 |
| 0 | 1 | 1 | 0 |
| 1 | 1 | 1 | 0 |
| 1 | 0 | 0 | 1 |
| 1 | 1 | 0 | 1 |
(1)一位全加
(2)二位全加
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